In 2011, Marine biologists built a baffling discovery—over 1,three hundred just about best circles scattered across the Mediterranean Sea flooring from the Coastline of Corsica. These formations, some 67 ft broad, sparked a great number of theories: had been they volcanic craters, WWII bomb scars, or anything even stranger? https://medium.com/@perfectseoservice2017/the-thriller-of-one-three-hundred-best-circles-on-the-mediterranean-seafloor-science-unveils-the-f6327a72d07b